Roku Plus Series 55" vs Sony Bravia 9 75"
Roku's 55" Plus Series and Sony's 75" Bravia 9 occupy entirely different market segments. Roku delivers exceptional value at $399, featuring QLED technology, 700-nit brightness, Dolby Vision/HDR10+, and 20W audio with Dolby Atmos—solid performance for budget-conscious buyers. Sony's Bravia 9, at $2999, operates in the premium tier with Mini-LED architecture delivering 3300 nits of peak brightness, superior contrast, 120Hz refresh rate with VRR for gaming, 85W audio through advanced Acoustic Multi-Audio+ surround, and the sophisticated Cognitive Processor XR. Gaming performance heavily favors Sony with 8ms input lag versus Roku's 13ms, plus variable refresh rate support. Brightness difference is staggering: Sony's 3300 nits obliterates Roku's 700 nits for HDR content. For mainstream viewing on a budget, Roku excels; for cinematic quality, gaming prowess, and premium features, Sony dominates. Choose based on budget and screen size preference—these aren't competitors but different product tiers entirely.
Full Specifications
| Spec | Roku Plus Series 55" | Sony Bravia 9 75" |
|---|---|---|
| Body | ||
| VESA mount | 200 x 200mm | 400 x 400mm |
| Weight | 26.5 lbs | 101.4 lbs |
| Dimensions (w/ stand) | 48.4 x 30.6 x 10.2 inches | 66.8 x 44.7 x 13.4 inches |
| Audio | ||
| Output (watts) | 20 | 85 |
| Speakers | 2.0ch | 4.2.2ch Acoustic Multi-Audio+ |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 13 | 8 |
| Display | ||
| HDR | Dolby Vision, HDR10+, HLG | Dolby Vision, HDR10, HLG, Filmmaker Mode |
| Size | 55" | 75" |
| Type | QLED | Mini-LED |
| Resolution | 3840 x 2160 (4K UHD) | 3840 x 2160 (4K UHD) |
| Refresh rate | 60Hz | 120Hz |
| Brightness (nits) | 700 | 3300 |
| Smart TV | ||
| Os | Roku OS | Google TV |
| Voice assistant | Roku Voice, Alexa, Google Assistant, Apple AirPlay 2 | Google Assistant |
| Processor | ||
| Chipset | Quad-core | Cognitive Processor XR |
| Connectivity | ||
| Wi-Fi | Wi-Fi 6 (802.11ax) | Wi-Fi 6 (802.11ax) |
| Ethernet | ||
| Bluetooth | 5.2 | 5.2 |
| USB ports | 1 | 2 |
| HDMI ports | 4 | 4 |
Category Scores
Pros & Cons
Roku Plus Series 55"
Pros
- Roku OS is the simplest, cleanest smart TV platform available
- Dolby Vision, HDR10+, AND Dolby Atmos decoding — unusual at $399
- Works with every voice assistant: Alexa, Google, Siri (via AirPlay)
- Wi-Fi 6 for reliable 4K streaming
- QLED color enhancement is visible versus basic LED panels
Cons
- 60Hz panel — no 120Hz or gaming features
- 700-nit brightness is okay but not impressive for HDR highlights
- Roku's ad-supported free channels are prominently pushed in the UI
- No VRR for next-gen console gaming
Sony Bravia 9 75"
Pros
- XR Backlight Master Drive with thousands of precise Mini-LED zones for exceptional contrast
- Acoustic Multi-Audio+ uses speakers behind the screen to localize sound to on-screen action
- Dolby Vision and Dolby Atmos support for top-tier cinematic HDR
- Google TV is clean, feature-rich, and tightly integrated with Google ecosystem
- 85W output from a 4.2.2ch system is class-leading built-in audio
Cons
- Very high price at $2,999 for a Mini-LED panel that cannot match OLED black levels
- Input lag of ~8ms, while good, trails LG OLED panels for competitive gaming
- Sony's Bravia Cam (for auto-calibration features) is sold separately
- 75-inch size and 101 lbs makes installation and repositioning very challenging
Related Comparisons
Explore more in tvs, see all Roku products or all Sony products. View full details for the Roku Plus Series 55" or the Sony Bravia 9 75".